256584608

素因数分解:

$2^5\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1787}}^1$

素因数の和:2445

約数の個数: 48

約数和(自身を含む): 578539584

約数和(自身を除く): 321954976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 641, 1282, 1787, 2564, 3574, 4487, 5128, 7148, 8974, 10256, 12509, 14296, 17948, 20512, 25018, 28592, 35896, 50036, 57184, 71792, 100072, 143584, 200144, 400288, 1145467, 2290934, 4581868, 8018269, 9163736, 16036538, 18327472, 32073076, 36654944, 64146152, 128292304, 256584608]

約数ペア:

[(1, 256584608), (2, 128292304), (4, 64146152), (7, 36654944), (8, 32073076), (14, 18327472), (16, 16036538), (28, 9163736), (32, 8018269), (56, 4581868), (112, 2290934), (224, 1145467), (641, 400288), (1282, 200144), (1787, 143584), (2564, 100072), (3574, 71792), (4487, 57184), (5128, 50036), (7148, 35896), (8974, 28592), (10256, 25018), (12509, 20512), (14296, 17948)]